[" The total weight of "v^(22)" molecutar units of "aso_(4).su_(2)O" is nearly "],[0.4.144g],[64.5g],[24.95g],[941.45g]

The total pressure of a gaseous mixture of 2.8 g N_(2) , 3.2 g O_(2) , and 0.5 g H_(2) is 4.5 atm . Calculate the partial pressure of each gas.

Calculate the weight of iron which will be converted into its oxide Fe_(3)O_(4) by the action of 14.4 g of steam on it.

If 5.0 g of Al react with 4.45 g of O_(2) , empirical formula of aluminium oxide is

Calculate standard enthalpy of reaction at 25^(@)C for the reaction: C Cl_(4)(g)+2H_(2)O(g)toCO_(2)(g)+4HC l(g) . Given: The standard heat of formation of C Cl_(4)(g),H_(2)O(g),CO_(2)(g) and HC l(g) are -25.5,-57.8,-94.1 and -22.1kcal*mol^(-1) .

For the first order reaction 2N_(2)O_(5)(g) rarr 4NO_(2)(g) + O_(2)(g)